OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

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hwOS TECH: New Firmware 3.37

Last post by heinrichsweikamp « 31 May 2026, 16:54

by heinrichsweikamp » 31 May 2026, 16:54

0 Replies

280 Views

Last post by heinrichsweikamp
31 May 2026, 16:54
hwOS Sport: New Firmware 10.97

Last post by heinrichsweikamp « 24 May 2026, 16:23

by heinrichsweikamp » 24 May 2026, 16:23

0 Replies

1566 Views

Last post by heinrichsweikamp
24 May 2026, 16:23
Using Subsurface to update BLE-only OSTC

Last post by heinrichsweikamp « 09 Apr 2026, 10:22

by heinrichsweikamp » 09 Apr 2026, 10:22

0 Replies

10133 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

59234 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
New OSTC Companion 3.2.1

Last post by gordon mackie « 18 Jun 2025, 17:03
Replies: 12
by heinrichsweikamp » 08 Jan 2020, 14:54

12 Replies

86399 Views

Last post by gordon mackie
18 Jun 2025, 17:03
FAQ: Batteries in the OSTC plus

Last post by heinrichsweikamp « 19 Sep 2023, 12:48
Replies: 1
by heinrichsweikamp » 07 May 2019, 17:44

1 Replies

70720 Views

Last post by heinrichsweikamp
19 Sep 2023, 12:48
OSTC Tools for Windows - HWOS Config for Android

Last post by Rob « 10 Apr 2026, 13:20
Replies: 38
by Rob » 03 Aug 2016, 18:35
1

2
38 Replies

552267 Views

Last post by Rob
10 Apr 2026, 13:20
Updating OSTC 3, sport, Plus, cR and OSTC 2 - HowTo

Last post by jp01000 « 14 May 2025, 17:58
Replies: 6
by heinrichsweikamp » 02 Feb 2015, 09:56

6 Replies

119798 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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Gaswechsel im Tauchplan

Last post by Wokpyromane « 06 Feb 2024, 10:18
Replies: 4
by Wokpyromane » 03 Feb 2024, 18:16

4 Replies

7418 Views

Last post by Wokpyromane
06 Feb 2024, 10:18
Letzter TG

Last post by Wokpyromane « 03 Feb 2024, 18:43
Replies: 2
by Wokpyromane » 03 Feb 2024, 17:43

2 Replies

6068 Views

Last post by Wokpyromane
03 Feb 2024, 18:43
V10.76 does not update

Last post by heinrichsweikamp « 03 Feb 2024, 14:39
Replies: 1
by Juhani » 31 Jan 2024, 20:33

1 Replies

5620 Views

Last post by heinrichsweikamp
03 Feb 2024, 14:39
Kompass

Last post by umostcsport « 09 Jan 2024, 19:36
Replies: 1
by MaMi » 08 Jan 2024, 22:02

1 Replies

46133 Views

Last post by umostcsport
09 Jan 2024, 19:36
OSTC Plus begin dive strange display

Last post by bantam_w « 29 Nov 2023, 15:46
Replies: 3
by bantam_w » 27 Nov 2023, 10:02

3 Replies

27446 Views

Last post by bantam_w
29 Nov 2023, 15:46
Feature request: Normal stopwatch

Last post by heinrichsweikamp « 21 Nov 2023, 11:45
Replies: 1
by Leonvank » 19 Nov 2023, 02:09

1 Replies

39477 Views

Last post by heinrichsweikamp
21 Nov 2023, 11:45
Dekogas während der Simulation hinzufügen

Last post by swissdiving « 18 Nov 2023, 21:10
Replies: 6
by kwolf » 09 Nov 2023, 10:39

6 Replies

82704 Views

Last post by swissdiving
18 Nov 2023, 21:10
Silicon sleeve

Last post by Acorchia « 13 Nov 2023, 12:30
Replies: 37
by jak » 05 Aug 2015, 20:43
1

2
37 Replies

367641 Views

Last post by Acorchia
13 Nov 2023, 12:30
OTSC+ (Sport) schaltet sich nicht ein

Last post by ThK79 « 09 Nov 2023, 15:52
Replies: 4
by ThK79 » 09 Nov 2023, 14:29

4 Replies

42275 Views

Last post by ThK79
09 Nov 2023, 15:52
Deko time at 6m countdown is much longer than shown

Last post by mobln89 « 30 Oct 2023, 13:03
Replies: 4
by mobln89 » 30 Oct 2023, 12:25

4 Replies

56061 Views

Last post by mobln89
30 Oct 2023, 13:03
Firmware 3.20

Last post by Regthing « 13 Oct 2023, 03:34
Replies: 5
by Regthing » 14 Oct 2022, 21:23

5 Replies

40348 Views

Last post by Regthing
13 Oct 2023, 03:34
Understanding bailout values in simulation mode

Last post by mobu « 10 Oct 2023, 17:07
Replies: 2
by mobu » 08 Oct 2023, 12:12

2 Replies

14446 Views

Last post by mobu
10 Oct 2023, 17:07
Safety stop on OSTC 2 firmware 10.75

Last post by heinrichsweikamp « 09 Oct 2023, 16:56
Replies: 3
by jensen.flemming » 08 Oct 2023, 22:57

3 Replies

44909 Views

Last post by heinrichsweikamp
09 Oct 2023, 16:56
OSTC Sport - Unable to connect on Bluetooth for Firmware Upgrade

Last post by gr3yw0lf « 05 Oct 2023, 07:50
Replies: 13
by penangboy » 26 Aug 2023, 12:16

13 Replies

109334 Views

Last post by gr3yw0lf
05 Oct 2023, 07:50
Ostc sport tiefschlaf

Last post by blue2000 « 23 Sep 2023, 11:25
Replies: 2
by blue2000 » 22 Sep 2023, 17:30

2 Replies

12160 Views

Last post by blue2000
23 Sep 2023, 11:25
Frage zur TTS

Last post by Daktari « 22 Sep 2023, 08:05
Replies: 4
by Daktari » 17 Sep 2023, 19:06

4 Replies

37656 Views

Last post by Daktari
22 Sep 2023, 08:05
OSTC PLUS Battery problems

Last post by PeN_ « 20 Sep 2023, 15:08
Replies: 2
by PeN_ » 19 Sep 2023, 18:26

2 Replies

34556 Views

Last post by PeN_
20 Sep 2023, 15:08
Surface pressure compensation

Last post by heinrichsweikamp « 20 Sep 2023, 10:48
Replies: 6
by Berthold » 23 Jan 2023, 15:07

6 Replies

43325 Views

Last post by heinrichsweikamp
20 Sep 2023, 10:48
OSTC 2 2022 vs 2017

Last post by Colja « 30 Aug 2023, 21:24
Replies: 5
by dadefay » 27 Jul 2023, 14:16

5 Replies

18463 Views

Last post by Colja
30 Aug 2023, 21:24
hwos 3.21 bluetooth issue

Last post by Albi « 30 Aug 2023, 12:24

by Albi » 30 Aug 2023, 12:24

0 Replies

112741 Views

Last post by Albi
30 Aug 2023, 12:24
OSTC Sport Dive Mode Switch-on

Last post by TerryEde « 08 Aug 2023, 11:19
Replies: 11
by TerryEde » 27 Jul 2023, 13:34

11 Replies

51038 Views

Last post by TerryEde
08 Aug 2023, 11:19
OSTC2 Hinweis Langsam

Last post by Ralph « 05 Aug 2023, 07:10
Replies: 1
by AlT » 04 Aug 2023, 22:48

1 Replies

10953 Views

Last post by Ralph
05 Aug 2023, 07:10
OSTC Sport noch erhältlich?

Last post by Miame « 30 Jul 2023, 18:14
Replies: 4
by Miame » 29 Jul 2023, 23:23

4 Replies

17469 Views

Last post by Miame
30 Jul 2023, 18:14
OSTC 3 only USB no BT

Last post by dadefay « 27 Jul 2023, 09:26
Replies: 6
by TUC » 16 Jul 2023, 12:49

6 Replies

15226 Views

Last post by dadefay
27 Jul 2023, 09:26
OSTC Sport does not react after inserting a new battery

Last post by Daktari « 24 Jul 2023, 18:09
Replies: 3
by jonas.kiem » 22 Jul 2023, 11:35

3 Replies

8210 Views

Last post by Daktari
24 Jul 2023, 18:09

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